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ISO 18589-7:2013

(Main)

Measurement of radioactivity in the environment — Soil — Part 7: In situ measurement of gamma-emitting radionuclides

Measurement of radioactivity in the environment — Soil — Part 7: In situ measurement of gamma-emitting radionuclides

ISO 18589-7:2013 specifies the identification of radionuclides and the measurement of their activity in soil using in situ gamma spectrometry with portable systems equipped with germanium or scintillation detectors. ISO 18589-7:2013 is suitable to rapidly assess the activity of artificial and natural radionuclides deposited on or present in soil layers of large areas of a site under investigation. ISO 18589-7:2013 can be used in connection with radionuclide measurements of soil samples in the laboratory (ISO 18589‑3) in the following cases: · routine surveillance of the impact of radioactivity released from nuclear installations or of the evolution of radioactivity in the region; · investigations of accident and incident situations; · planning and surveillance of remedial action; · decommissioning of installations or the clearance of materials. It can also be used for the identification of airborne artificial radionuclides, when assessing the exposure levels inside buildings or during waste disposal operations. Following a nuclear accident, in situ gamma spectrometry is a powerful method for rapid evaluation of the gamma activity deposited onto the soil surface as well as the surficial contamination of flat objects.

Mesurage de la radioactivité dans l'environnement — Sol — Partie 7: Mesurage in situ des radionucléides émetteurs gamma

L'ISO 18589-7:2013 spécifie l'identification des radionucléides et la quantification de leur activité dans le sol en utilisant la spectrométrie gamma in situ avec des systèmes portatifs équipés de détecteurs au germanium ou à scintillations. L'ISO 18589-7:2013 est adaptée pour évaluer rapidement l'activité des radionucléides artificiels et naturels déposés ou présents dans des couches du sol d'un site soumis à l'étude. L'ISO 18589-7:2013 peut être utilisée en relation avec les mesurages de radionucléides des échantillons de sol au laboratoire [ISO 18589‑3] dans les cas suivants pour la surveillance en routine de l'impact de la radioactivité émanant d'installations nucléaires ou de l'évolution de la radioactivité du territoire, les investigations en situations d'accidents et d'incidents, la planification et la surveillance des actions de remédiation, et le déclassement d'installations ou l'élimination de matières nucléaires. L'ISO 18589-7:2013 peut également être utilisée pour identifier les radionucléides artificiels dans l'air, lors de l'évaluation des niveaux d'exposition à l'intérieur de bâtiments ou au cours des opérations d'élimination de déchets.

General Information

Status
Published
Publication Date
22-Sep-2013
ICS
13.080.01 - Soil quality and pedology in general
17.240 - Radiation measurements
Technical Committee
ISO/TC 85/SC 2 - Radiological protection
Drafting Committee
ISO/TC 85/SC 2/WG 17 - Radioactivity measurements
Current Stage
9060 - Close of review
Start Date
02-Sep-2029
Ref Project

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INTERNATIONAL ISO
STANDARD 18589-7
First edition
2013-10-01
Measurement of radioactivity in the
environment — Soil —
Part 7:
In situ measurement of gamma-
emitting radionuclides
Mesurage de la radioactivité dans l’environnement — Sol —
Partie 7: Mesurage in situ des radionucléides émetteurs gamma
Reference number
ISO 18589-7:2013(E)
©
ISO 2013

---------------------- Page: 1 ----------------------
ISO 18589-7:2013(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2013
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Published in Switzerland
ii © ISO 2013 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 18589-7:2013(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms, definitions, symbols, and units . 2
3.1 Terms and definitions . 2
3.2 Symbols and units . 3
4 Principles . 6
4.1 Measurement method . 6
4.2 Uncertainties of the measurement method . 6
5 Equipment . 6
5.1 Portable in situ spectrometry system . 6
5.2 Detector System . 7
5.3 Pulse processing electronics . 8
5.4 Assembly jig for a detector system . 9
5.5 Collimated detector . 9
6 Procedure.12
6.1 Calibration .12
6.2 Method of combined calibrations .
...

NORME ISO
INTERNATIONALE 18589-7
Première édition
2013-10-01
Mesurage de la radioactivité dans
l’environnement — Sol —
Partie 7:
Mesurage in situ des radionucléides
émetteurs gamma
Measurement of radioactivity in the environment — Soil —
Part 7: In situ measurement of gamma-emitting radionuclides
Numéro de référence
ISO 18589-7:2013(F)
©
ISO 2013

---------------------- Page: 1 ----------------------
ISO 18589-7:2013(F)

DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2013
Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite ni utilisée
sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie, l’affichage sur
l’internet ou sur un Intranet, sans autorisation écrite préalable. Les demandes d’autorisation peuvent être adressées à l’ISO à
l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 56 • CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.org
Web www.iso.org
Publié en Suisse
ii © ISO 2013 – Tous droits réservés

---------------------- Page: 2 ----------------------
ISO 18589-7:2013(F)

Sommaire Page
Avant-propos .v
Introduction .vi
1 Domaine d’application . 1
2 Références normatives . 1
3 Termes, définitions, symboles et unités . 2
3.1 Termes et définitions . 2
3.2 Symboles et unités . 4
4 Principes . 6
4.1 Méthode de mesure . 6
4.2 Incertitudes de la méthode de mesure . 7
5 Équipement . 7
5.1 Système portatif de spectrométrie in situ . 7
5.2 Système détecteur . 8
5.3 Électronique de traitement des impulsions . 9
5.4 Bâti de montage pour un système détecteur .10
5.5 Détecteur collimaté .10
6 Mode opératoire.12
6.1 Étalonnage .12
6.2 Méthode des étalonnages combinés .13
7
...

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